Refractory 1450 Degree Clay Refractory Brick High Strength
Brand Name:Annec
Certification:ISO
Minimum Order Quantity:5 tons
Delivery Time:60-120 days
Payment Terms:T/T, L/C, D/P, Western Union, MoneyGram
Place of Origin:China
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Product Details
SK32 SK34 SK36 SK38 refractory brick High Strength Low Apparent Porosity 1450 Degree Clay Fire Brick
Definition:
SK32 SK34 SK36 SK38 refractory brick High Strength Low Apparent Porosity 1450 Degree Clay Fire Brick are made from low mullite stones, the main mineral composition of the low mullite stones are pressed and sintered mullite phases. The bricks have very good physical and chemical properties in high temperature conditions.
1. SK32 SK34 SK36 SK38 refractory brick High Strength Low Apparent Porosity 1450 Degree Clay Fire Brick were mainly made from chamotte, flint clay and combining clay powder, being high pressure pressed and sintered in high temperature.
2. SK32 SK34 SK36 SK38 refractory brick High Strength Low Apparent Porosity 1450 Degree Clay Fire Brick is Al2O3 content of 30% to 48% aluminum silicate clay material products.
3. Refractoriness is 1580-1750°C, refractoriness under load is 1250-1450°C.
Advantage:
1. Higher refractoriness,
2. High-temperature endurable.
3. Better corrosion resistance.
4. Better spalling resistance and wear resistance.
5. Better thermal shock resistance.
6. Higher mechanical strength.
7. High-temperature creep rate is low.
8. Better volume stability at high temperature.
Application:
SK32 SK34 SK36 SK38 refractory brick High Strength Low Apparent
Porosity 1450 Degree Clay Fire Brick are classified according to their uses. They are mainly divided
into clay refractory bricks for blast furnaces, clay refractory
bricks for hot blast stoves, and large clay refractory bricks for
glass kilns.
Due to the low load softening temperature of clay bricks, shrinkage
occurs at high temperatures, thermal conductivity is 15%-20% lower
than silica bricks, and mechanical strength is also worse than
silica bricks. Therefore, clay bricks can only be used for the
secondary parts of coke ovens. Such as regenerator sealing wall,
small flue lining brick and regenerator checker brick, furnace door
lining brick, furnace roof and riser lining brick, etc.
Product Description:
Fired Clay Refractory Assembly Brick | ||||
Item | Unit | RN-42 | HRN-42 | HRN-48 |
AL2O3 % | % | ≥42 | ≥42 | ≥48 |
Fe2O3 % | % | ≤ 1.7 | ≤ 1.7 | ≤ 1.7 |
Refractoriness | ℃ | ≥1750 | ≥1750 | ≥1750 |
Bulk density | g/cm3 | ≥2.15 | ≥2.15 | ≥2.35 |
Apparent porosity | % | ≤ 24/23 | ≤ 24/21 | ≤ 24/21 |
cold crushing strength | Mpa | ≥30 | ≥40 | ≥40 |
0.2MPa,Refractoriness under load,℃ | ℃ | ≥ 1400 | ≥ 1520 | ≥ 1550 |
Permanent linear change | % | 0～-0.3 | 0～-0.3 | 0～-0.3 |
thermal shock resistance, | cycle | ≥ 20 | ≥30 | ≥40 |
Standard packing: waterproof inner packing + outer packing suitable
for container transportation
Packaging and shipping
Refractory 1450 Degree Clay Refractory Brick High Strength
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